10426 results about "Aromatic hydrocarbon" patented technology

An organic electroluminescence device includes: a cathode; an anode; and a single-layered or multilayered organic thin-film layer provided between the cathode and the anode. The organic thin-film layer includes at least one emitting layer. The at least one emitting layer contains at least one phosphorescent material and a host material represented by the following formula (1).

In the formula, Ar₁, Ar₂, Ar₃, B₁, B₂, B₃ and B₄ each represent a substituted or unsubstituted benzene ring or a substituted or unsubstituted condensed aromatic hydrocarbon ring selected from a naphthalene ring, a chrysene ring, a fluoranthene ring, a phenanthrene ring, a benzophenanthrene ring, a dibenzophenanthrene ring, a triphenylene ring, a benzo[a]triphenylene ring, a benzochrysene ring, a benzo[b]fluoranthene ring and a picene ring. p is 0 or 1.

An organic electroluminescence device includes: a cathode; an anode; and a single-layered or multilayered organic thin-film layer provided between the cathode and the anode. The organic thin-film layer includes at least one emitting layer. The at least one emitting layer contains at least one phosphorescent material and a host material represented by the following formula (1).

Ra-Ar¹-Rb  (1)

In the formula, Ar¹, Ra and Rb each represent a substituted or unsubstituted benzene ring or a condensed aromatic hydrocarbon ring selected from a substituted or unsubstituted naphthalene ring, a substituted or unsubstituted chrysene ring, a substituted or unsubstituted fluoranthene ring, a substituted or unsubstituted phenanthrene ring, a substituted or unsubstituted benzophenanthrene ring, a substituted or unsubstituted dibenzophenanthrene ring, a substituted or unsubstituted triphenylene ring, a substituted or unsubstituted benzo[a]triphenylene ring, a substituted or unsubstituted benzochrysene ring, a substituted or unsubstituted benzo[b]fluoranthene ring and a substituted or unsubstituted picene ring. Substituents for Ra and Rb are not aryl groups.

A precursor source mixture useful for CVD or ALD of a film comprising: at least one precursor composed of an element selected from the group consisting of Li, Na, K, Rb, Cs, Fr, Be, Mg, Ti, Zr, Hf, Sc, Y, La, V, Nb, Ta, Cr, Mo, W, Mn, Re, Fe, Ru, Os, Co, Rh, Ir, Ni, Pd, Pt, Cu, Ag, Au, Zn, Cd, Hg, B, Al, Ga, In, Tl, Si, Ge, Sn, Pb, As, P, Sb and Bi, to which is bound at least one ligand selected from the group consisting of hydride, alkyl, alkenyl, cycloalkenyl, aryl, alkyne, carbonyl, amido, imido, hydrazido, phosphido, nitrosyl, nitryl, nitrate, nitrile, halide, azide, alkoxy, siloxy, silyl, and halogenated, sulfonated or silyated derivatives thereof, which is dissolved, emulsified or suspended in an inert liquid selected from the group consisting of aliphatic hydrocarbons, aromatic hydrocarbons, alcohols, ethers, aldehydes, ketones, acids, phenols, esters, amines, alkylnitrile, halogenated hydrocarbons, silyated hydrocarbons, thioethers, amines, cyanates, isocyanates, thiocyanates, silicone oils, nitroalkyl, alkylnitrate, and mixtures thereof. The precursor source mixture may be a solution, emulsion or suspension and may consist of a mixture of solid, liquid and gas phases which are distributed throughout the mixture.

There is described a process and a catalyst for the hydroalkylation of an aromatic hydrocarbon, particularly benzene, wherein the catalyst comprises a first metal having hydrogenation activity and a crystalline inorganic oxide material having a X-ray diffraction pattern including the following d-spacing maxima 12.4+/-0.25, 6.9+/-0.15, 3.57+/-0.07 and 3.42+/-0.07.

An organic electroluminescent device 1 comprising, an emitting layer (50) and an electron-transporting layer (60) between a cathode (80) and an anode (20), the electron-transporting layer (60) comprising a compound represented by formula (1), the emitting layer (50) comprising a host material which is a compound with an energy gap of 2.8 eV or less represented by formula (2) and a dopant which is an indenoperylene derivative,

A-B   (1)

wherein A is an aromatic hydrocarbon group with three or more carbocycles and B is a substituted or unsubstituted heterocyclic group,

X—(Y)_n   (2)

wherein X is a condensed aromatic ring group with three or more carbocycles, Y is a group selected from substituted or unsubstituted aryl, substituted or unsubstituted diarylamino, substituted or unsubstituted arylalkyl and substituted or unsubstituted alkyl groups, and n is an integer of 1 to 6, provided that Ys may be the same or different when n is 2 or more.

Disclosed is a novel compound of Formula 1 and an organic electroluminescent device using the same. In Formula 1, X and Y independently represents a hydrogen, an aromatic or a hetero aromatic hydrocarbon having C5 to C10 carbons; X and Y may be the same or different; Ar₁ to Ar₂ each represent a hydrogen, an unsubstituted or substituted aromatic hydrocarbon having C4 to C12 carbons, or an unsubstituted or substituted condensed polycyclic aromatic hydrocarbon having C4 to C12 carbons; Ar₁ to Ar₂ can form a fused aromatic ring system with the adjacent aromatic hydrocarbons. The compound of Formula 1 is present in the electron injection or a transport material, or an exciton blocking layer in the organic light emitting device, and thereby improving the device stability, lowering the operational voltage.

This invention relates to a process for transforming methanol to aromatic hydrocarbons, comprising: use methanol as raw material, with modified ZSM-5 molecular sieve as catalyst, under conditions of operation pressure 0.1-5.0Mpa, operation temperature 300-460Deg C, raw material liquid air speed 0.1-6.0h-1, transformed to products with aromatic hydrocarbons as main components; separate the gas-phase products lower carbon hydrocarbons from the liquid-phase C5+ hydrocarbons by cooling separation; the liquid-phase C5+ hydrocarbons then can be separated to be aromatic hydrocarbons and non-aromatic hydrocarbons by extracting separation. This invention is characterized of high total selectivity of aromatic hydrocarbons and flexible process operation.

Provided is a homogeneous organic EL device having a low driving voltage, high luminous efficiency, and a long lifetime. The device is an organic electroluminescent device including a light-emitting layer between an anode and a cathode opposite to each other, in which: the light-emitting layer contains a host material and a light-emitting dopant material; the host material is a material obtained by preliminarily mixing two or more kinds of compounds selected from compounds each having a structure in which two nitrogen atoms of an indolocarbazole ring are each substituted with an aromatic hydrocarbon group or an aromatic heterocyclic group; and the light-emitting layer is formed by co-depositing the preliminarily mixed host material and the light-emitting dopant material in a vacuum.

The invention relates to a system and a process for preparing aromatic hydrocarbon by converting methanol or dimethyl ether and belongs to the technical field of aromatic hydrocarbon production. The methanol or the dimethyl ether serving as a raw material firstly reacts in an aromatization reactor; a reaction product is separated; H2, methane, mixed C8 aromatic hydrocarbon and partial C9s + hydrocarbons serving as products are output from the system; and C2+ non-aromatic hydrocarbon and aromatic hydrocarbons except the mixed C8 aromatic hydrocarbon and the partial C9s + hydrocarbons are take as a circular material flow and return to corresponding reactors for further aromatization reaction. By separating and recycling the product obtained in the process of aromizing the methanol or the dimethyl ether, the system and the process improve the yield and selectivity of the aromatic hydrocarbon; and moreover, the process is flexible, and target products can be changed according to market demands.

The present invention provides a fluorinated surfactant having the general formula:

[R_f—(O)_t—CQH—CF₂—O]_n—R-G  (I)

wherein R_f represents a partially or fully fluorinated aliphatic group optionally interrupted with one or more oxygen atoms, Q is CF₃ or F, R is an aliphatic or aromatic hydrocarbon group, G represents a carboxylic or sulphonic acid or salt thereof, t is 0 or 1 and n is 1, 2 or 3. The surfactant is particularly useful in polymerizing fluorinated monomers in an aqueous emulsion polymerization.

The light emitting device of the present invention relates to a light emitting device which is characterized in that it is a device with an emissive substance present between an anode and cathode, and which emits light by means of electrical energy, and said device has a least one type of compound denoted by (a) to (d) below. (a) A compound having a plurality of 1,7-phenanthroline skeletal structures (b) A benzoquinoline derivative (c) A spiro compound represented by general formula (1) A1 and A2 are each selected from single bonds, substituted or unsubstituted alkyl chains, ether chains, thioether chains, ketone chains and substituted or unsubstituted amino chains. However, A1<> A2. Z represents carbon or silicon. R1 to R16 are each selected from hydrogen, alkyl group, cycloalkyl group, aralkyl group, alkenyl group, cycloalkenyl group, alkynyl group, hydroxyl group, mercapto group, alkoxy group, alkylthio group, aryl ether group, aryl thioether group, aryl group, heterocyclic group, halogen, haloalkane, haloalkene, haloalkyne, cyano group, aldehyde group, carbonyl group, carboxyl group, ester group, carbamoyl group, amino group, nitro group, silyl group, siloxanyl group and a cyclic structure formed with an adjacent substituent. (d) A tetraphenylmethane derivative represented by general formula (2) R17 to R36 are each selected from hydrogen, alkyl group, cycloalkyl group, aralkyl group, alkenyl group, cycloalkenyl group, alkynyl group, hydroxyl group, mercapto group, alkoxy group, alkylthio group, aryl ether group, aryl thioether group, aryl group, heterocyclic group, halogen, haloalkane, haloalkene, haloalkyne, cyano group, aldehyde group, carbonyl group, carboxyl group, ester group, carbamoyl group, amino group, nitro group, silyl group, siloxanyl group and a cyclic structure formed with an adjacent substituent. However, at least one of R17 to R36 is selected from substituents represented by general formula (3). -X-Ar (3) X is a single bond or is selected from the following, and Ar denotes a condensed aromatic ring or heteroaromatic ring. In the case where X is phosphorus oxide, then Ar represents an aromatic hydrocarbon or heteroaromatic ring. n is an natural number.

A light emitting device comprises a pair of electrodes and a mixed layer provided between the pair of electrodes. The mixed layer contains an organic compound which contains no nitrogen atoms, i.e., an organic compound which dose not have an arylamine skeleton, and a metal oxide. As the organic compound, an aromatic hydrocarbon having an anthracene skeleton is preferably used. As such an aromatic hydrocarbon, t-BuDNA, DPAnth, DPPA, DNA, DMNA, t-BuDBA, and the like are listed. As the metal oxide, molybdenum oxide, vanadium oxide, ruthenium oxide, rhenium oxide, and the like are preferably used. Further, the mixed layer preferably shows absorbance per 1 μm of 1 or less or does not show a distinct absorption peak in a spectrum of 450 to 650 nm when an absorption spectrum is measured.

The present invention provides a novel pyrimidine compound having an excellent adenosine receptor (A₁, A_2A, A_2B receptor) antagonistic action. More specifically, it provides a compound represented by the following formula, a salt thereof or a solvate of them.

In the formula, R¹ and R² are the same as or different from each other and each represents a hydrogen atom, an alkyl group having one to six carbon atoms which may be substituted, an alkenyl group having two to six carbon atoms which may be substituted, an alkynyl group having two to six carbon atoms which may be substituted, a cycloalkyl group having three to eight carbon atoms which may be substituted, a cycloalkenyl group having three to eight carbon atoms which may be substituted, a 5 to 14-membered non-aromatic heterocyclic group which may be substituted, an aromatic hydrocarbon cyclic group having six to fourteen carbon atoms which may be substituted, a 5 to 14-membered aromatic heterocyclic group which may be substituted, an acyl group having one to six carbon atoms which may be substituted or an alkylsulfonyl group having one to six carbon atoms which may be substituted; R³ represents a hydrogen atom, a halogen atom, a cyano group, an alkyl group having one to six carbon atoms which may be substituted, an alkenyl group having two to six carbon atoms which may be substituted, an alkynyl group having two to six carbon atoms which may be substituted, an aromatic hydrocarbon cyclic group having six to fourteen carbon atoms which may be substituted, a 5 to 14-membered aromatic heterocyclic group which may be substituted, a nitrogen atom which may be substituted, an oxygen atom which may be substituted or a sulfur atom which may be substituted; R⁴ represents an aromatic hydrocarbon cyclic group having six to fourteen carbon atoms which may be substituted, a 5 to 14-membered aromatic heterocyclic group which may be substituted or a 5 to 14-membered non-aromatic heterocyclic group having at least one or more unsaturated bonds which may be substituted; and R⁵ represents an aromatic hydrocarbon cyclic group having six to fourteen carbon atoms which may be substituted or a 5 to 14-membered aromatic heterocyclic group which may be substituted.

A naphthalene derivative represented by the following formula (1) is provided. In the formula (1), Ar¹ and Ar² each represent an aromatic hydrocarbon cyclic group having 6 to 18 carbon atoms forming a ring. The aromatic hydrocarbon cyclic group has none of anthracene skeleton, pyrene skeleton, aceanthrylene skeleton and naphthacene skeleton. Ar³ represents a benzene skeleton or a naphthalene skeleton. R¹ and R² each represent an alkyl group, a cycloalkyl group, an alkoxy group, a cyano group, a silyl group or a halogen atom. a and b each represent an integer in a range of 0 to 4. m and n each represent an integer in a range of 1 to 4.

A control apparatus and control method for controlling the separation in a dividing wall distillation column of at least two feeds into at least three products is disclosed. The apparatus uses a temperature measuring device to measure the temperature of fluid in the column, a controller, and a means for adjusting the temperature of fluid in the column. The temperature measuring device may be on either side of the dividing wall or above or below the dividing wall, and more than one such device may be used. The apparatus and method may be used in the production of alkylaromatic hydrocarbons by alkylating aromatic hydrocarbons with olefinic hydrocarbons.

High-molecular compounds comprising repeating units represented by the general formula (1) or (2) and having number-average molecular weights of 10³ to 10⁸ in terms of polystyrene: (1) [wherein Ar¹ and Ar² are each independently a trivalent aromatic hydrocarbon group or a trivalent heterocyclic group; and X¹ and X² are each independently O, S, C(═O), S(═O), SO₂, C(R¹)(R²), Si(R³)(R⁴), N(R⁵), B(R⁶), P(R⁷), or P(═O)(R⁸), with the provisos that X¹ and X² must not be the same and that X¹ and Ar² are bonded respectively to the adjacent carbon atoms constituting the aromatic ring of Ar¹, and X² and Ar¹ are bonded respectively to the adjacent carbon atoms constituting the aromatic ring of Ar²] (2) [wherein Ar³ and Ar⁴ are each independently a trivalent aromatic hydrocarbon group or a trivalent heterocyclic group; and X³ and X⁴ are each independently N, B, P, C(R⁹), or Si(R¹⁰), with the provisos that X³ and X⁴ must not be the same and that X³ and Ar⁴ are bonded respectively to the adjacent carbon atoms constituting the aromatic ring of Ar³, and X⁴ and Ar³ are bonded respectively to the adjacent carbon atoms constituting the aromatic ring of Ar⁴].

The present invention provides polymer nanoparticles with a controlled architecture of nano-necklace, nano-cylinder, nano-ellipsoid, or nano-sphere. The polymer nanoparticle comprises a core polymerized from multiple-vinyl-substituted aromatic hydrocarbons, a shell polymerized from alkyl-substituted styrene, and a polystyrene layer between the core and the shell. The present invention also provides a method of preparing the polymer nanoparticles and a rubber article such as a tire manufactured from a formulation comprising the polymer nanoparticles.

The invention discloses a catalyst for preparing aromatic hydrocarbon through methanol conversion. The catalyst comprises a component A and components B, wherein the mass ratio of component A to components B is 0.25-4; the component A is a modified zeolite molecular sieve and comprises 80-99wt% of molecular sieves and 1-20wt% of molecular sieve modifiers; the components B are oxide loaded metallic elements and halogen and comprise 85-95wt% of oxide, 0.5-10wt% of total metallic elements and 0.1-5wt% of halogen; and the component A and the components B are formed through squashing or extruding after being mixed uniformly. The catalyst has the following characteristics that: (1) the total recovery of benzene, toluene and xylene is higher and selectivity is high; (2) the raw material treatment capacity is large; (3) the non-aromatic hydrocarbon liquid product can serve as the solvent oil or gasoline component; (4) C4 hydrocarbon and non-aromatic hydrocarbon liquid phase products in the gas phase product can circularly enter into the catalyst bed layer, thus not only balancing the reaction heat but also improving the total recovery of the aromatic hydrocarbon; and (5) the catalyst has high activity and long life.

A method for preparing aromatic hydrocarbons by methanol-containing raw materials. The methanol-containing raw materials comprise methanol and distilled gasoline. The method comprises that the methanol-containing raw materials and catalysts undergo a reaction under conditions of preparing aromatic hydrocarbons by methanol. The method provided by the invention solves the problems that in the prior arts, heat in a reactor is removed through an intermediate cooler and a multitubular reactor is utilized for heat removal or cold product gas is transmitted back to a raw material inlet to remove heat or a diluting material is added to control reaction heat. The method has the advantages of simple processes, and simple and convenient operation.